US2980356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Azon Corp
•
Filing: 1958-09-26
•
Granted: 1961-04-18
•
Expires: 1978-09-26
Abstract
No abstract record available.
Inventors
- 👤 William C A Beese
- 👤 Herbert E Bergmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:03
CPC Classifications
D; D01; D01G; D01G27/00; D01G27/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1833632A
Cited
US1951182A
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US2035682A
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US2200905A
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US2416540A
Cited
US2617605A
Cited
US2449234A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |